Fair Value Measurements, Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Equity Securities without Readily Determinable Fair Value, Amount	$ 35,000	$ 19,000
Write-up of equity securities without readily determinable fair values	5,785	5,690	$ 0
Equity securities	41,651	25,216
Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans Receivable, Fair Value Disclosure	27,371,086	27,481,426
Equity Securities without Readily Determinable Fair Value, Amount	24,769	19,225
Write-up of equity securities without readily determinable fair values	5,785
Equity securities	24,769	19,225
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 2
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Write-down or Reserve, Amount	2,532	971
OREO(c)	3,139	2,196
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Assets and Liabilities Measured at Fair Value on a Non-recurring Basis
Loans Receivable, Fair Value Disclosure	47,221	23,584
Provision for credit losses	45,709	4,405
Equity Securities without Readily Determinable Fair Value, Amount	24,671	19,134
Write-up of equity securities without readily determinable fair values	$ 5,785
Equity securities		$ 5,690